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Calculați (2/3•5/6) la a2a

Răspuns :

2/3x5/6=10/18merge simplificat cu 2 si da 5/9
[tex]( \frac{2}{3}* \frac{5}{6})^2= (\frac{10}{18})^2=( \frac{5}{9})^2= \frac{25}{81} [/tex]